mirror of
https://github.com/linux-apfs/apfstests.git
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Dave Chinner
0c1a95d067
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
135 lines
3.3 KiB
Bash
Executable File
135 lines
3.3 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2017 Huawei. All Rights Reserved.
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#
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# FS QA Test 031
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#
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# The unmerged and origined directories may contain invalid
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# whiteouts when we change underlaying dir (e.g. clean up lowerdir)
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# and remount overlay. This may lead to whiteouts exposure and
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# rmdir failure.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# create test directory and test file, mount overlayfs and remove
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# testfile to create a whiteout in upper dir.
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create_whiteout()
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{
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local lower=$1
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local upper=$2
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local work=$3
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local file=$4
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mkdir -p $lower/testdir
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touch $lower/testdir/$file
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_overlay_scratch_mount_dirs $lower $upper $work
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rm -f $SCRATCH_MNT/testdir/$file
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$UMOUNT_PROG $SCRATCH_MNT
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs overlay
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_supported_os Linux
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_require_scratch_nocheck
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# remove all files from previous runs
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_scratch_mkfs
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# create test directorys and whiteout
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lowerdir1=$OVL_BASE_SCRATCH_MNT/lower1
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lowerdir2=$OVL_BASE_SCRATCH_MNT/lower2
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upperdir=$OVL_BASE_SCRATCH_MNT/upper
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workdir=$OVL_BASE_SCRATCH_MNT/workdir
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# When overlay inode index feature is enabled, a workdir cannot be reused
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# with a different upperdir. workdir1 in this test is used as the workdir
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# when lowerdir1 is used as the upperdir.
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workdir1=$OVL_BASE_SCRATCH_MNT/workdir1
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testfile1=a
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testfile2=b
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mkdir -p $lowerdir1 $lowerdir2 $upperdir $workdir $workdir1
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create_whiteout $lowerdir1 $upperdir $workdir $testfile1
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# clean up the lower directory and mount overlay again,
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# whiteout will expose.
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rm -rf $lowerdir1/testdir
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_overlay_scratch_mount_dirs $lowerdir1 $upperdir $workdir
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ls $SCRATCH_MNT/testdir
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# try to remove test dir from overlay dir, trigger ovl_remove_upper,
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# it will not clean up the dir and lead to rmdir failure.
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rm -rf $SCRATCH_MNT/testdir 2>&1 | _filter_scratch
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# umount overlay again, create a new file with the same name and
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# mount overlay again.
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$UMOUNT_PROG $SCRATCH_MNT
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touch $lowerdir1/testdir
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_overlay_scratch_mount_dirs $lowerdir1 $upperdir $workdir
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# try to remove test dir from overlay dir, trigger ovl_remove_and_whiteout,
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# it will not clean up the dir and lead to residue.
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rm -rf $SCRATCH_MNT/testdir 2>&1 | _filter_scratch
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ls $workdir/work
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$UMOUNT_PROG $SCRATCH_MNT
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# let lower dir have invalid whiteouts, repeat ls and rmdir test again.
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rm -rf $lowerdir1/testdir
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rm -rf $upperdir/testdir
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create_whiteout $lowerdir2 $lowerdir1 $workdir1 $testfile1
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rm -rf $lowerdir2/testdir
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_overlay_scratch_mount_dirs "$lowerdir1:$lowerdir2" $upperdir $workdir
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ls $SCRATCH_MNT/testdir
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rm -rf $SCRATCH_MNT/testdir 2>&1 | _filter_scratch
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$UMOUNT_PROG $SCRATCH_MNT
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# let lower dir and upper dir both have invalid whiteouts, repeat ls and rmdir again.
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rm -rf $lowerdir1/testdir
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rm -rf $upperdir/testdir
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create_whiteout $lowerdir1 $upperdir $workdir $testfile1
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rm -rf $lowerdir1/testdir/$testfile1
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create_whiteout $lowerdir2 $lowerdir1 $workdir1 $testfile2
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_overlay_scratch_mount_dirs $lowerdir1 $upperdir $workdir
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ls $SCRATCH_MNT/testdir
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rm -rf $SCRATCH_MNT/testdir 2>&1 | _filter_scratch
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# success, all done
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echo "Silence is golden"
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status=0
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exit
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